Whitehall

Whitehall is a .4-mile road in Westminster, London which serves as the main thoroughfare from Trafalgar Square to Parliament Square. Named for the Tudor-era Palace of Whitehall, it serves as the center of the government of the United Kingdom and is lined with numerous departments and ministries, including the Ministry of Defense, Horse Guards, and the Cabinet Office, and "Whitehall" serves as a metonym for the British government and civil service.